Ep. 3: It's Nice and Warm

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Hinata arrives in Ayano's room, telling her that she needs to wake up. However, Ayano is not responding to her, causing Hinata try to wake her up by tickling her, starting a tickle fight. This, however, ends up exhausting them, causing both of them to fall asleep. In the command room, Rei orders Kasumi to go wake them both up, to which she complies. (Source: Wikipedia)